Table 2.
Prevalence of past-year alcohol-associated adverse effects among past-year cannabis users a
| Alcohol related outcomes | (1–20 days per month) | (21–30 days per month) | No past 12 months use | No lifetime use | P-Value b |
|---|---|---|---|---|---|
| No. (Row.%) | No. (Row.%) | No. (Row.%) | No. (Row.%) | ||
| n = 48,661 (10.5) | n = 53,805 (11.6) | n = 64,425 (13.8) | n = 298,199 (64) | ||
| Alcohol dependence | <.001 | ||||
| Yes | 6679 (32.9) | 63,139 (31.1) | 4114 (20.3) | 3203 (15.8) | |
| No | 41,982 (9.4) | 47,492 (10.7) | 60,311 (13.6) | 294,996 (66.3) | |
| Heavy drinking | <.001 | ||||
| Heavy drinking c | 23,395 (25.4) | 24,422 (26.5) | 22,769 (24.7) | 21,599 (23.4) | |
| Binge drink d | 21,747 (13.3) | 25,649 (15.7) | 31,536 (19.8) | 84,712 (51.8) | |
| Never drink | 3519 (1.7) | 3734 (1.8) | 10,120 (4.8) | 191,888 (91.7) | |
| Driving under the influence of alcohol | <.001 | ||||
| Yes | 14,176 (25.6) | 16,630 (30) | 13,785 (24.9) | 10,889 (19.6) | |
| No | 30,665 (15.6) | 33,178 (16.9) | 40,230 (20.4) | 92,724 (47.1) | |
| Alcohol-related interpersonal problems | <.001 | ||||
| Yes | 5816 (30.8) | 5645 (29.9) | 3833 (20.3) | 3586 (19) | |
| No | 35,307 (19.6) | 37,414 (20.7) | 42,793 (23.7) | 64,960 (36) | |
| Continued use after interpersonal problems | <.001 | ||||
| Yes | 3798 (33.2) | 3737 (32.7) | 2240 (19.6) | 1664 (14.6) | |
| No | 2012 (27.1) | 1902 (25.7) | 1590 (21.1) | 1910 (25.8) | |
| Alcohol-related risky behaviors | <.001 | ||||
| Yes | 9975 (30.2) | 10,539 (31.9) | 6875 (20.8) | 5608 (17) | |
| No | 31,125 (18.7) | 32,506 (19.6) | 39,737 (23.9) | 62,898 (37.8) | |
| Alcohol-related legal problems | <.001 | ||||
| Yes | 2436 (36.4) | 2142 (32) | 1186 (17.7) | 936 (13.4) | |
| No | 38,691 (20.1) | 40,913 (21.2) | 45,437 (23.6) | 67,597 (35.1) |
a Data are from the U.S. National Survey on Drug Use and Health 2002–2014 age 12 to 25 years old
b P-values refer to comparisons between two groups and were adjusted for age, race, gender, tobacco smoking in past year, and using illicit drug rather than cannabis and as covariates
c Heavy alcohol drinking = as binge drinking 5 or more days in the past 30 days (20 > drinks a month)
d Binge drink = drinking five or more drinks (for males) or four or more drinks (for females) on the same occasion